Order 20288.
90 conjugacy classes of subgroups.
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #23778802 | C2 | semidirect |
| 2. #23778724 | C2 | semidirect |
| 3. #23778721 | C2 | semidirect |
| 4. #23778720 | C2 | semidirect |
| 5. C2×D8×C317 | C2 | semidirect |
| 7. Dic1268 | C22 | semidirect |
| 9. D2536 | C22 | semidirect |
| 10. #19099549 | C22 | semidirect |
| 36. C317 | #509 | semidirect |
| 39. C2×D8 | D317 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #23778802 | 2 |
| #23778724 | 2 |
| #23778721 | 2 |
| #23778720 | 2 |
| C2×D8×C317 | 2 |
| #509 | 317 |